Dell 720N Laptop User Manual


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18-18 Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide
definition number. Large file systems require a 32-bit inode definition number. The
problem generally occurs only on file systems with a large number of hard links.
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Some versions of
cpio
work by copying each file with hard links once and then re-
creating the hard links. Trouble occurs because the inode number is assumed to be
16 bits. If another file has a matching low-order 16 bits, an internal number collision
occurs, which
cpio
does not recognize. The
cpio
utility then overwrites the first
file and creates files that no longer contain the original data.
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Check with your UNIX provider to see whether your version of
cpio
has this prob-
lem. If you use SunOS 4.x, ask for the Sun patch 100556-01. This patch works around
the problem by requiring that the files have the same UID, GID, mode, mod time,
inumber, and device before concluding that they are the same file.
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Some UNIX versions of the
df
command have file system limits considerably smaller
than the file system size supported by the filer. This can cause the UNIX
df
command
to show an incorrect and useless amount of filer disk space in use or remaining. How-
ever, the disk space you installed in your filer is fully available and you can use it.
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To avoid a useless display of disk space on a client system that uses NFS version 2,
enable the
nfs.v2.df_2gb_lim
option, as described in Configuring Filer
Options.
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Some DOS, Windows, or Macintosh clients might have a display problem similar to
UNIX systems; in these cases, enable the
nfs.v2.df_2gb_lim
option.
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At all times, the
df
command entered on the filer correctly shows the amount of disk
space used and remaining.
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